Select the correct answer.

Which energy source is formed when organic matter is trapped underground without exposure to air or moisture?

Which terrestrial planets have diameters that are nearly equal in size? A. Earth and Mars B. Mars and Venus C. Earth and Venus D. Mars and Mercury

Which area of the U. S. is home to what is known as "tornado alley"? A. Appalachian Mountains B. interior plains C. Sierra Nevada Mountains D. West Coast

What developments contributed to environmental improvements in Eastern Europe during the 1990s?

Detailed measurements of the disk and central bulge region of our Galaxy suggest our Milky Way is a: Select one: A. quasar. B. barred spiral galaxy. C. very flat elliptical galaxy. D. very dusty irregular galaxy. E. normal spiral galaxy.

Which three sentences describe the effect of Mongol invasions in Europe and Asia?

Compared with the land in the highlands, the lowlands region of England is___. A) Rockier and more difficult for farming B) The center of business and industry C) Richer in coal reserves D) Covered by more fertile farmland Answer: D) Covered by more

What are the three main types of erosion caused by glaciers?

How do we know that africa was the birthplace of the earlist humans

What would happen if the wernicke's area is damaged?

Greece is known as the birthplace of western